Area of a Square. Square is a polygon with four equal sides in length and has four equal angles. Each angle is 90 degrees (or right angle). In order to calculate the area of a square, multiply the length of two sides (each side is equal in length). The calculator below can be used to calculate the area of a square.
Tooth or dental trauma is injury to the mouth, teeth, soft oral tissues or jawbones. Tooth trauma can be caused by sports, car accidents, fights, falls, biting on hard foods/objects and drinking hot liquids.racked Teeth: Apart from injury to the tooth, habits such as teeth grinding, clenching and chewing on hard objects can cause cracked teeth. Symptoms of cracked teeth include erratic pain from chewing and temperature extremes. Pulp irritation and damage may result.
Dental erosion (tooth erosion) is the irreversible loss of tooth enamel due to chemical processes that do not involve bacterial action. Tooth enamel is a mineralized hard tissue that covers and protects the tooth. It is the hardest tissue of human body but it can be chemically dissolved in an acidic environment.